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The sliders contacted with Phosphorous-Bronze contact.
These have double contact system and move smoothly on the sliding rod.
Heavy brass block is provided for smooth movement for long life.
These are made in a variety of resistances and different current carrying capacities so as to satisfy every need.
Support consists of bakelite or aluminium moulded support that tights the pipe on each side with rod and nuts.
Pipes are made from special porcelain.
The guide rod carrying contact black is tightened with screw to projection of the supports.
One terminal being connected to the sliding contact and the other two of the ends of winding, enabling the rheostat to be used as variable resistance or potential divider.
Winding wires: The layers of electrical oxidised Constantine (Eureka) wire wound on an insulated heat resistance porcelain pipe according to the length required.
The sturdy construction & good heat dissipation of these rheostat make them ideally for general laboratory use.
Three brass terminals are provided.
Available in Current Rating of 0.6 Amperes to 8 Amperes
